2 years ago

Can someone please explain this question to me and how do you do it???

Mathematics

1 answer:

svetlana [45]2 years ago

5 0

Step-by-step explanation:

is it your homework or what

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The diameter of a circle is 20 centimeters. What is the circumference?

nlexa [21]

Answer:

$20\pi$ cm

Step-by-step explanation:

C = $d\pi$

C = $20\pi$

7 0

2 years ago

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Please help easy stuff.....

Karo-lina-s [1.5K]

The answer is 27
Remember that the number inside the lines are always positive so in this case it will be
|-8|+19 which will equal to
8+19=27

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2 years ago

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Look at triangle ABC. What is the length of said AB of the triangle

Nuetrik [128]

$\bf ~~~~~~~~~~~~\textit{distance between 2 points}
\\\\
A(\stackrel{x_1}{4}~,~\stackrel{y_1}{5})\qquad 
B(\stackrel{x_2}{1}~,~\stackrel{y_2}{2})\qquad \qquad 
% distance value
d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}
\\\\\\
AB=\sqrt{(1-4)^2+(2-5)^2}\implies AB=\sqrt{(-3)^2+(-3)^2}
\\\\\\
AB=\sqrt{9+9}\implies \boxed{AB=\sqrt{18}}\implies AB=\sqrt{2(9)}
\\\\\\
AB=\sqrt{2(3^2)}\implies \implies AB=3\sqrt{2}$